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        <title>C++17结构化绑定 · 高性能服务器开发 技术专栏</title>
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        <li class="header">Part I</li>
        
        
    
        <li class="chapter " data-level="1.1" data-path="../../">
            
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                    Introduction
            
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        <li class="chapter " data-level="1.2" data-path="./">
            
                <a href="./">
            
                    
                    C++必知必会的知识点
            
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        <li class="chapter " data-level="1.2.1" data-path="如何成为一名合格的CC++开发者？.html">
            
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                    如何成为一名合格的C/C++开发者？
            
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        <li class="chapter " data-level="1.2.2" data-path="不定参数函数实现var_arg系列的宏.html">
            
                <a href="不定参数函数实现var_arg系列的宏.html">
            
                    
                    不定参数函数实现var_arg系列的宏
            
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        </li>
    
        <li class="chapter " data-level="1.2.3" data-path="你一定要搞明白的C函数调用方式与栈原理.html">
            
                <a href="你一定要搞明白的C函数调用方式与栈原理.html">
            
                    
                    你一定要搞明白的C函数调用方式与栈原理
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.2.4" data-path="深入理解CC++中的指针.html">
            
                <a href="深入理解CC++中的指针.html">
            
                    
                    深入理解C/C++中的指针
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.2.5" data-path="详解C++11中的智能指针.html">
            
                <a href="详解C++11中的智能指针.html">
            
                    
                    详解C++11中的智能指针
            
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        <li class="chapter active" data-level="1.2.6" data-path="C++17结构化绑定.html">
            
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                    C++17结构化绑定
            
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        <li class="chapter " data-level="1.2.7" data-path="C++必须掌握的pimpl惯用法.html">
            
                <a href="C++必须掌握的pimpl惯用法.html">
            
                    
                    C++必须掌握的pimpl惯用法
            
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                    用Visual Studio调试Linux程序
            
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        <li class="chapter " data-level="1.2.9" data-path="如何使用VisualStudio管理和阅读开源项目代码.html">
            
                <a href="如何使用VisualStudio管理和阅读开源项目代码.html">
            
                    
                    如何使用Visual Studio管理和阅读开源项目代码
            
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        <li class="chapter " data-level="1.2.10" data-path="利用cmake工具生成VisualStudio工程文件.html">
            
                <a href="利用cmake工具生成VisualStudio工程文件.html">
            
                    
                    利用cmake工具生成Visual Studio工程文件
            
                </a>
            

            
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            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.3" data-path="../多线程/">
            
                <a href="../多线程/">
            
                    
                    多线程
            
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        <li class="chapter " data-level="1.3.1" data-path="../多线程/后台C++开发你一定要知道的条件变量.html">
            
                <a href="../多线程/后台C++开发你一定要知道的条件变量.html">
            
                    
                    后台C++开发你一定要知道的条件变量
            
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        <li class="chapter " data-level="1.3.2" data-path="../多线程/整型变量赋值是原子操作吗？.html">
            
                <a href="../多线程/整型变量赋值是原子操作吗？.html">
            
                    
                    整型变量赋值是原子操作吗？
            
                </a>
            

            
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            </ul>
            
        </li>
    

    
        
        <li class="divider"></li>
        
        
    
        <li class="chapter " data-level="2.1" data-path="../网络编程/">
            
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                    网络编程
            
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        <li class="chapter " data-level="2.1.1" data-path="../网络编程/bind函数重难点解析.html">
            
                <a href="../网络编程/bind函数重难点解析.html">
            
                    
                    bind 函数重难点解析
            
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        <li class="chapter " data-level="2.1.2" data-path="../网络编程/connect函数在阻塞和非阻塞模式下的行为.html">
            
                <a href="../网络编程/connect函数在阻塞和非阻塞模式下的行为.html">
            
                    
                    connect 函数在阻塞和非阻塞模式下的行为
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.1.3" data-path="../网络编程/select函数重难点解析.html">
            
                <a href="../网络编程/select函数重难点解析.html">
            
                    
                    select 函数重难点解析
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.1.4" data-path="../网络编程/Linuxepoll模型（含LT模式和ET模式详解）.html">
            
                <a href="../网络编程/Linuxepoll模型（含LT模式和ET模式详解）.html">
            
                    
                    Linux epoll 模型（含LT 模式和 ET 模式详解）
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.1.5" data-path="../网络编程/socket的阻塞模式和非阻塞模式.html">
            
                <a href="../网络编程/socket的阻塞模式和非阻塞模式.html">
            
                    
                    socket 的阻塞模式和非阻塞模式
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.1.6" data-path="../网络编程/非阻塞模式下send和recv函数的返回值.html">
            
                <a href="../网络编程/非阻塞模式下send和recv函数的返回值.html">
            
                    
                    非阻塞模式下 send 和 recv 函数的返回值
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.1.7" data-path="../网络编程/服务器开发通信协议设计介绍.html">
            
                <a href="../网络编程/服务器开发通信协议设计介绍.html">
            
                    
                    服务器开发通信协议设计介绍
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.1.8" data-path="../网络编程/TCP协议如何解决粘包、半包问题.html">
            
                <a href="../网络编程/TCP协议如何解决粘包、半包问题.html">
            
                    
                    TCP 协议如何解决粘包、半包问题
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.1.9" data-path="../网络编程/网络通信中收发数据的正确姿势.html">
            
                <a href="../网络编程/网络通信中收发数据的正确姿势.html">
            
                    
                    网络通信中收发数据的正确姿势
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.1.10" data-path="../网络编程/服务器端发数据时，如果对端一直不收，怎么办？.html">
            
                <a href="../网络编程/服务器端发数据时，如果对端一直不收，怎么办？.html">
            
                    
                    服务器端发数据时，如果对端一直不收，怎么办？
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    

    
        
        <li class="divider"></li>
        
        
    
        <li class="chapter " data-level="3.1" data-path="../程序员必知必会的网络命令/">
            
                <a href="../程序员必知必会的网络命令/">
            
                    
                    程序员必知必会的网络命令
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="3.1.1" data-path="../程序员必知必会的网络命令/利用telnet命令发电子邮件.html">
            
                <a href="../程序员必知必会的网络命令/利用telnet命令发电子邮件.html">
            
                    
                    利用telnet命令发电子邮件
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="3.1.2" data-path="../程序员必知必会的网络命令/做Java或者C++开发都应该知道的lsof命令.html">
            
                <a href="../程序员必知必会的网络命令/做Java或者C++开发都应该知道的lsof命令.html">
            
                    
                    做Java或者C++开发都应该知道的lsof命令
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="3.1.3" data-path="../程序员必知必会的网络命令/Linux网络故障排查的瑞士军刀.html">
            
                <a href="../程序员必知必会的网络命令/Linux网络故障排查的瑞士军刀.html">
            
                    
                    Linux网络故障排查的瑞士军刀nc命令
            
                </a>
            

            
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        <li class="chapter " data-level="3.1.4" data-path="../程序员必知必会的网络命令/Linuxtcpdump使用介绍.html">
            
                <a href="../程序员必知必会的网络命令/Linuxtcpdump使用介绍.html">
            
                    
                    Linux tcpdump使用详解
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="3.1.5" data-path="../程序员必知必会的网络命令/从抓包的角度分析connect函数的连接过程.html">
            
                <a href="../程序员必知必会的网络命令/从抓包的角度分析connect函数的连接过程.html">
            
                    
                    从抓包的角度分析connect函数的连接过程
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="3.1.6" data-path="../程序员必知必会的网络命令/服务器开发中网络数据分析与故障排查经验漫谈.html">
            
                <a href="../程序员必知必会的网络命令/服务器开发中网络数据分析与故障排查经验漫谈.html">
            
                    
                    服务器开发中网络数据分析与故障排查经验漫谈
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    

    
        
        <li class="header">Part II</li>
        
        
    
        <li class="chapter " data-level="4.1" data-path="../高性能服务器框架设计/">
            
                <a href="../高性能服务器框架设计/">
            
                    
                    高性能服务器框架设计
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="4.1.1" data-path="../高性能服务器框架设计/主线程与工作线程的分工.html">
            
                <a href="../高性能服务器框架设计/主线程与工作线程的分工.html">
            
                    
                    主线程与工作线程的分工
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="4.1.2" data-path="../高性能服务器框架设计/Reactor模式.html">
            
                <a href="../高性能服务器框架设计/Reactor模式.html">
            
                    
                    Reactor模式
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="4.1.3" data-path="../高性能服务器框架设计/实例：一个服务器程序的架构介绍.html">
            
                <a href="../高性能服务器框架设计/实例：一个服务器程序的架构介绍.html">
            
                    
                    实例：一个服务器程序的架构介绍
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="4.1.4" data-path="../高性能服务器框架设计/错误码系统的设计.html">
            
                <a href="../高性能服务器框架设计/错误码系统的设计.html">
            
                    
                    错误码系统的设计
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="4.1.5" data-path="../高性能服务器框架设计/日志系统的设计.html">
            
                <a href="../高性能服务器框架设计/日志系统的设计.html">
            
                    
                    日志系统的设计
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="4.1.6" data-path="../高性能服务器框架设计/如何设计断线自动重连机制.html">
            
                <a href="../高性能服务器框架设计/如何设计断线自动重连机制.html">
            
                    
                    如何设计断线自动重连机制
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="4.1.7" data-path="../高性能服务器框架设计/心跳包机制设计详解.html">
            
                <a href="../高性能服务器框架设计/心跳包机制设计详解.html">
            
                    
                    心跳包机制设计详解
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="4.1.8" data-path="../高性能服务器框架设计/业务数据处理一定要单独开线程吗.html">
            
                <a href="../高性能服务器框架设计/业务数据处理一定要单独开线程吗.html">
            
                    
                    业务数据处理一定要单独开线程吗
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="4.1.9" data-path="../高性能服务器框架设计/C++高性能服务器网络框架设计细节.html">
            
                <a href="../高性能服务器框架设计/C++高性能服务器网络框架设计细节.html">
            
                    
                    C++ 高性能服务器网络框架设计细节
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    

    
        
        <li class="divider"></li>
        
        
    
        <li class="chapter " data-level="5.1" data-path="../服务器开发案例实战/">
            
                <a href="../服务器开发案例实战/">
            
                    
                    服务器开发案例实战
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="5.1.1" data-path="../服务器开发案例实战/从零实现一个http服务器.html">
            
                <a href="../服务器开发案例实战/从零实现一个http服务器.html">
            
                    
                    从零实现一个http服务器
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="5.1.2" data-path="../服务器开发案例实战/从零实现一款12306刷票软件.html">
            
                <a href="../服务器开发案例实战/从零实现一款12306刷票软件.html">
            
                    
                    从零实现一款12306刷票软件
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="5.1.3" data-path="../服务器开发案例实战/从零实现一个邮件收发客户端.html">
            
                <a href="../服务器开发案例实战/从零实现一个邮件收发客户端.html">
            
                    
                    从零实现一个邮件收发客户端
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="5.1.4" data-path="../服务器开发案例实战/从零开发一个WebSocket服务器.html">
            
                <a href="../服务器开发案例实战/从零开发一个WebSocket服务器.html">
            
                    
                    从零开发一个WebSocket服务器
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="5.1.5" data-path="../服务器开发案例实战/1从一款多人联机实时对战游戏开始.html">
            
                <a href="../服务器开发案例实战/1从一款多人联机实时对战游戏开始.html">
            
                    
                    从零学习开源项目系列（一） 从一款多人联机实时对战游戏开始
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="5.1.6" data-path="../服务器开发案例实战/2最后一战概况.html">
            
                <a href="../服务器开发案例实战/2最后一战概况.html">
            
                    
                    从零学习开源项目系列（二） 最后一战概况
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="5.1.7" data-path="../服务器开发案例实战/3CSBattleMgr服务源码研究.html">
            
                <a href="../服务器开发案例实战/3CSBattleMgr服务源码研究.html">
            
                    
                    从零学习开源项目系列（三） CSBattleMgr服务源码研究
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="5.1.8" data-path="../服务器开发案例实战/4LogServer源码探究.html">
            
                <a href="../服务器开发案例实战/4LogServer源码探究.html">
            
                    
                    从零学习开源项目系列（四）LogServer源码探究
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    

    
        
        <li class="header">Part III</li>
        
        
    
        <li class="chapter " data-level="6.1" data-path="../TeamTalk源码解析/">
            
                <a href="../TeamTalk源码解析/">
            
                    
                    TeamTalk IM源码分析
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="6.1.1" data-path="../TeamTalk源码解析/01TeamTalk介绍.html">
            
                <a href="../TeamTalk源码解析/01TeamTalk介绍.html">
            
                    
                    01 TeamTalk介绍
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="6.1.2" data-path="../TeamTalk源码解析/02服务器端的程序的编译与部署.html">
            
                <a href="../TeamTalk源码解析/02服务器端的程序的编译与部署.html">
            
                    
                    02 服务器端的程序的编译与部署
            
                </a>
            

            
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        <li class="chapter " data-level="6.1.3" data-path="../TeamTalk源码解析/03服务器端的程序架构介绍.html">
            
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                    03 服务器端的程序架构介绍
            
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        <li class="chapter " data-level="6.1.4" data-path="../TeamTalk源码解析/04服务器端db_proxy_server源码分析.html">
            
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                    04 服务器端db_proxy_server源码分析
            
                </a>
            

            
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        <li class="chapter " data-level="6.1.5" data-path="../TeamTalk源码解析/05服务器端msg_server源码分析.html">
            
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                    05 服务器端msg_server源码分析
            
                </a>
            

            
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        <li class="chapter " data-level="6.1.6" data-path="../TeamTalk源码解析/06服务器端login_server源码分析.html">
            
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                    06 服务器端login_server源码分析
            
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        <li class="chapter " data-level="6.1.7" data-path="../TeamTalk源码解析/07服务器端msfs源码分析.html">
            
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                    07 服务器端msfs源码分析
            
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        <li class="chapter " data-level="6.1.8" data-path="../TeamTalk源码解析/08服务器端file_server源码分析.html">
            
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                    08 服务器端file_server源码分析
            
                </a>
            

            
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        <li class="chapter " data-level="6.1.9" data-path="../TeamTalk源码解析/09服务器端route_server源码分析.html">
            
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                    09 服务器端route_server源码分析
            
                </a>
            

            
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        <li class="chapter " data-level="6.1.10" data-path="../TeamTalk源码解析/10开放一个TeamTalk测试服务器地址和几个测试账号.html">
            
                <a href="../TeamTalk源码解析/10开放一个TeamTalk测试服务器地址和几个测试账号.html">
            
                    
                    10 开放一个TeamTalk测试服务器地址和几个测试账号
            
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        <li class="chapter " data-level="6.1.11" data-path="../TeamTalk源码解析/11pc客户端源码分析.html">
            
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                    11 pc客户端源码分析
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    

    
        
        <li class="divider"></li>
        
        
    
        <li class="chapter " data-level="7.1" data-path="../libevent源码深度剖析/">
            
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                    libevent源码深度剖析
            
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                    libevent源码深度剖析01
            
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        <li class="chapter " data-level="7.1.2" data-path="../libevent源码深度剖析/libevent源码深度剖析02.html">
            
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                    libevent源码深度剖析02
            
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        <li class="chapter " data-level="7.1.3" data-path="../libevent源码深度剖析/libevent源码深度剖析03.html">
            
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                    libevent源码深度剖析03
            
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        <li class="chapter " data-level="7.1.4" data-path="../libevent源码深度剖析/libevent源码深度剖析04.html">
            
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                    libevent源码深度剖析04
            
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        <li class="chapter " data-level="7.1.5" data-path="../libevent源码深度剖析/libevent源码深度剖析05.html">
            
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                    libevent源码深度剖析05
            
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        <li class="chapter " data-level="7.1.6" data-path="../libevent源码深度剖析/libevent源码深度剖析06.html">
            
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                    libevent源码深度剖析06
            
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        <li class="chapter " data-level="7.1.7" data-path="../libevent源码深度剖析/libevent源码深度剖析07.html">
            
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                    libevent源码深度剖析07
            
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        <li class="chapter " data-level="7.1.8" data-path="../libevent源码深度剖析/libevent源码深度剖析08.html">
            
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                    libevent源码深度剖析08
            
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        <li class="chapter " data-level="7.1.9" data-path="../libevent源码深度剖析/libevent源码深度剖析09.html">
            
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                    libevent源码深度剖析09
            
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        <li class="chapter " data-level="7.1.10" data-path="../libevent源码深度剖析/libevent源码深度剖析10.html">
            
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                    libevent源码深度剖析10
            
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        <li class="chapter " data-level="7.1.11" data-path="../libevent源码深度剖析/libevent源码深度剖析11.html">
            
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                    libevent源码深度剖析11
            
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        <li class="chapter " data-level="7.1.12" data-path="../libevent源码深度剖析/libevent源码深度剖析12.html">
            
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                    libevent源码深度剖析12
            
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        <li class="chapter " data-level="7.1.13" data-path="../libevent源码深度剖析/libevent源码深度剖析13.html">
            
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                    libevent源码深度剖析13
            
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            </ul>
            
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        <li class="chapter " data-level="7.2" data-path="../leveldb源码分析/">
            
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                    leveldb源码分析
            
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        <li class="chapter " data-level="7.2.1" data-path="../leveldb源码分析/leveldb源码分析1.html">
            
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                    leveldb源码分析1
            
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        <li class="chapter " data-level="7.2.2" data-path="../leveldb源码分析/leveldb源码分析2.html">
            
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                    leveldb源码分析2
            
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        <li class="chapter " data-level="7.2.3" data-path="../leveldb源码分析/leveldb源码分析3.html">
            
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                    leveldb源码分析3
            
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        <li class="chapter " data-level="7.2.4" data-path="../leveldb源码分析/leveldb源码分析4.html">
            
                <a href="../leveldb源码分析/leveldb源码分析4.html">
            
                    
                    leveldb源码分析4
            
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        <li class="chapter " data-level="7.2.5" data-path="../leveldb源码分析/leveldb源码分析5.html">
            
                <a href="../leveldb源码分析/leveldb源码分析5.html">
            
                    
                    leveldb源码分析5
            
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        <li class="chapter " data-level="7.2.6" data-path="../leveldb源码分析/leveldb源码分析6.html">
            
                <a href="../leveldb源码分析/leveldb源码分析6.html">
            
                    
                    leveldb源码分析6
            
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        <li class="chapter " data-level="7.2.7" data-path="../leveldb源码分析/leveldb源码分析7.html">
            
                <a href="../leveldb源码分析/leveldb源码分析7.html">
            
                    
                    leveldb源码分析7
            
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        </li>
    
        <li class="chapter " data-level="7.2.8" data-path="../leveldb源码分析/leveldb源码分析8.html">
            
                <a href="../leveldb源码分析/leveldb源码分析8.html">
            
                    
                    leveldb源码分析8
            
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        <li class="chapter " data-level="7.2.9" data-path="../leveldb源码分析/leveldb源码分析9.html">
            
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                    leveldb源码分析9
            
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        <li class="chapter " data-level="7.2.10" data-path="../leveldb源码分析/leveldb源码分析10.html">
            
                <a href="../leveldb源码分析/leveldb源码分析10.html">
            
                    
                    leveldb源码分析10
            
                </a>
            

            
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        <li class="chapter " data-level="7.2.11" data-path="../leveldb源码分析/leveldb源码分析11.html">
            
                <a href="../leveldb源码分析/leveldb源码分析11.html">
            
                    
                    leveldb源码分析11
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="7.2.12" data-path="../leveldb源码分析/leveldb源码分析12.html">
            
                <a href="../leveldb源码分析/leveldb源码分析12.html">
            
                    
                    leveldb源码分析12
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="7.2.13" data-path="../leveldb源码分析/leveldb源码分析13.html">
            
                <a href="../leveldb源码分析/leveldb源码分析13.html">
            
                    
                    leveldb源码分析13
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="7.2.14" data-path="../leveldb源码分析/leveldb源码分析14.html">
            
                <a href="../leveldb源码分析/leveldb源码分析14.html">
            
                    
                    leveldb源码分析14
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="7.2.15" data-path="../leveldb源码分析/leveldb源码分析15.html">
            
                <a href="../leveldb源码分析/leveldb源码分析15.html">
            
                    
                    leveldb源码分析15
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="7.2.16" data-path="../leveldb源码分析/leveldb源码分析16.html">
            
                <a href="../leveldb源码分析/leveldb源码分析16.html">
            
                    
                    leveldb源码分析16
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="7.2.17" data-path="../leveldb源码分析/leveldb源码分析17.html">
            
                <a href="../leveldb源码分析/leveldb源码分析17.html">
            
                    
                    leveldb源码分析17
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="7.2.18" data-path="../leveldb源码分析/leveldb源码分析18.html">
            
                <a href="../leveldb源码分析/leveldb源码分析18.html">
            
                    
                    leveldb源码分析18
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="7.2.19" data-path="../leveldb源码分析/leveldb源码分析19.html">
            
                <a href="../leveldb源码分析/leveldb源码分析19.html">
            
                    
                    leveldb源码分析19
            
                </a>
            

            
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        <li class="chapter " data-level="7.2.20" data-path="../leveldb源码分析/leveldb源码分析20.html">
            
                <a href="../leveldb源码分析/leveldb源码分析20.html">
            
                    
                    leveldb源码分析20
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="7.2.21" data-path="../leveldb源码分析/leveldb源码分析21.html">
            
                <a href="../leveldb源码分析/leveldb源码分析21.html">
            
                    
                    leveldb源码分析21
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="7.2.22" data-path="../leveldb源码分析/leveldb源码分析22.html">
            
                <a href="../leveldb源码分析/leveldb源码分析22.html">
            
                    
                    leveldb源码分析22
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    

    
        
        <li class="divider"></li>
        
        
    
        <li class="chapter " data-level="8.1" data-path="../Memcached源码分析/">
            
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                    Memcached源码分析
            
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        <li class="chapter " data-level="8.1.1" data-path="../Memcached源码分析/00服务器资源调整.html">
            
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                    00 服务器资源调整
            
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        <li class="chapter " data-level="8.1.2" data-path="../Memcached源码分析/01初始化参数解析.html">
            
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                    01 初始化参数解析
            
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        <li class="chapter " data-level="8.1.3" data-path="../Memcached源码分析/02网络监听的建立.html">
            
                <a href="../Memcached源码分析/02网络监听的建立.html">
            
                    
                    02 网络监听的建立
            
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        <li class="chapter " data-level="8.1.4" data-path="../Memcached源码分析/03网络连接建立.html">
            
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                    03 网络连接建立
            
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        <li class="chapter " data-level="8.1.5" data-path="../Memcached源码分析/04内存初始化.html">
            
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                    04 内存初始化
            
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        <li class="chapter " data-level="8.1.6" data-path="../Memcached源码分析/05资源初始化.html">
            
                <a href="../Memcached源码分析/05资源初始化.html">
            
                    
                    05 资源初始化
            
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        </li>
    
        <li class="chapter " data-level="8.1.7" data-path="../Memcached源码分析/06get过程.html">
            
                <a href="../Memcached源码分析/06get过程.html">
            
                    
                    06 get过程
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="8.1.8" data-path="../Memcached源码分析/07cas属性.html">
            
                <a href="../Memcached源码分析/07cas属性.html">
            
                    
                    07 cas属性
            
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        </li>
    
        <li class="chapter " data-level="8.1.9" data-path="../Memcached源码分析/08内存池.html">
            
                <a href="../Memcached源码分析/08内存池.html">
            
                    
                    08 内存池
            
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        <li class="chapter " data-level="8.1.10" data-path="../Memcached源码分析/09连接队列.html">
            
                <a href="../Memcached源码分析/09连接队列.html">
            
                    
                    09 连接队列
            
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        </li>
    
        <li class="chapter " data-level="8.1.11" data-path="../Memcached源码分析/10Hash表操作.html">
            
                <a href="../Memcached源码分析/10Hash表操作.html">
            
                    
                    10 Hash表操作
            
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        <li class="chapter " data-level="8.1.12" data-path="../Memcached源码分析/12set操作.html">
            
                <a href="../Memcached源码分析/12set操作.html">
            
                    
                    12 set操作
            
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        <li class="chapter " data-level="8.1.13" data-path="../Memcached源码分析/13do_item_alloc操作.html">
            
                <a href="../Memcached源码分析/13do_item_alloc操作.html">
            
                    
                    13 do_item_alloc操作
            
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        <li class="chapter " data-level="8.1.14" data-path="../Memcached源码分析/14item结构.html">
            
                <a href="../Memcached源码分析/14item结构.html">
            
                    
                    14 item结构
            
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        <li class="chapter " data-level="8.1.15" data-path="../Memcached源码分析/15Hash表扩容.html">
            
                <a href="../Memcached源码分析/15Hash表扩容.html">
            
                    
                    15 Hash表扩容
            
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        <li class="chapter " data-level="8.1.16" data-path="../Memcached源码分析/16线程交互.html">
            
                <a href="../Memcached源码分析/16线程交互.html">
            
                    
                    16 线程交互
            
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        <li class="chapter " data-level="8.1.17" data-path="../Memcached源码分析/17状态机.html">
            
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                    17 状态机
            
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            </ul>
            
        </li>
    

    
        
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                    游戏开发专题
            
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                    1 游戏服务器开发的基本体系与服务器端开发的一些建议
            
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        <li class="chapter " data-level="9.1.2" data-path="../游戏开发专题/2网络游戏服务器开发框架设计介绍.html">
            
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                    2 网络游戏服务器开发框架设计介绍
            
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        <li class="chapter " data-level="9.1.3" data-path="../游戏开发专题/3游戏后端开发需要掌握的知识.html">
            
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                    3 游戏后端开发需要掌握的知识
            
                </a>
            

            
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                    4 关于游戏服务端架构的整理
            
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        <li class="chapter " data-level="9.1.5" data-path="../游戏开发专题/5各类游戏对应的服务端架构.html">
            
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                    5 各类游戏对应的服务端架构
            
                </a>
            

            
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        <li class="chapter " data-level="9.1.6" data-path="../游戏开发专题/6从腾讯QQgame高性能服务器集群架构看“分而治之”与“自治”等分布式架构设计原则.html">
            
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                    6 从腾讯QQgame高性能服务器集群架构看“分而治之”与“自治”等分布式架构设计原则
            
                </a>
            

            
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        <li class="chapter " data-level="9.1.7" data-path="../游戏开发专题/7QQ游戏百万人同时在线服务器架构实现.html">
            
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                    7 QQ游戏百万人同时在线服务器架构实现
            
                </a>
            

            
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        <li class="chapter " data-level="9.1.8" data-path="../游戏开发专题/8大型多人在线游戏服务器架构设计.html">
            
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                    8 大型多人在线游戏服务器架构设计
            
                </a>
            

            
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                    9 百万用户级游戏服务器架构设计
            
                </a>
            

            
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                    10 十万在线的WebGame的数据库设计思路
            
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                    11 一种高性能网络游戏服务器架构设计
            
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                    12 经典游戏服务器端架构概述
            
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                    13 游戏跨服架构进化之路
            
                </a>
            

            
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            </ul>
            
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        <li class="header">Part IV</li>
        
        
    
        <li class="chapter " data-level="10.1" data-path="../程序员面试题精讲/">
            
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                    程序员面试题精讲
            
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                    腾讯后台开发实习生技能要求
            
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                    聊聊如何拿大厂的 offer
            
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                    网络通信题目集锦
            
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                    我面试后端开发经理的经历
            
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                    Linux C/C++后端开发面试问哪些问题
            
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                    职业规划
            
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                    给工作 4 年迷茫的程序员们的一点建议
            
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                    聊聊技术人员的常见的职业问题
            
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                    写给那些傻傻想做服务器开发的朋友
            
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        <li class="chapter " data-level="10.3" data-path="../自我提升与开源代码/">
            
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                    自我提升与开源代码
            
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                    2020 年好好读一读开源代码吧
            
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                    后端开发相关的书籍
            
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                    后台开发应该读的书
            
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                    程序员的简历
            
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                    程序员如何写简历
            
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                    程序员的薪资与年终奖那些事儿
            
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                    聊一聊程序员如何增加收入
            
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                    谈一谈年终奖
            
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                    我是一名程序员，结婚时女友要求我用两年的工资作为彩礼，我该不该答应？
            
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						<div id="anchor-navigation-ex-navbar"><i class="fa fa-navicon"></i><ul><ul><li><span class="title-icon "></span><a href="#c-17-&#x7ED3;&#x6784;&#x5316;&#x7ED1;&#x5B9A;"><b></b>C++ 17 &#x7ED3;&#x6784;&#x5316;&#x7ED1;&#x5B9A;</a></li></ul></ul></div><h2 id="c-17-&#x7ED3;&#x6784;&#x5316;&#x7ED1;&#x5B9A;"><a name="c-17-&#x7ED3;&#x6784;&#x5316;&#x7ED1;&#x5B9A;" class="anchor-navigation-ex-anchor" href="#c-17-&#x7ED3;&#x6784;&#x5316;&#x7ED1;&#x5B9A;"><i class="fa fa-link" aria-hidden="true"></i></a>C++ 17 &#x7ED3;&#x6784;&#x5316;&#x7ED1;&#x5B9A;</h2>
<p>stl &#x7684; map &#x5BB9;&#x5668;&#x5F88;&#x591A;&#x8BFB;&#x8005;&#x5E94;&#x8BE5;&#x90FD;&#x5F88;&#x719F;&#x6089;&#xFF0C;map &#x5BB9;&#x5668;&#x63D0;&#x4F9B;&#x4E86;&#x4E00;&#x4E2A; <strong>insert</strong> &#x65B9;&#x6CD5;&#xFF0C;&#x6211;&#x4EEC;&#x7528;&#x8BE5;&#x65B9;&#x6CD5;&#x5411; map &#x4E2D;&#x63D2;&#x5165;&#x5143;&#x7D20;&#xFF0C;&#x4F46;&#x662F;&#x5E94;&#x8BE5;&#x5F88;&#x5C11;&#x6709;&#x4EBA;&#x8BB0;&#x5F97; <strong>insert</strong> &#x65B9;&#x6CD5;&#x7684;&#x8FD4;&#x56DE;&#x503C;&#x662F;&#x4EC0;&#x4E48;&#x7C7B;&#x578B;&#xFF0C;&#x8BA9;&#x6211;&#x4EEC;&#x6765;&#x770B;&#x4E00;&#x4E0B; C++98/03 &#x63D0;&#x4F9B;&#x7684; <strong>insert</strong> &#x65B9;&#x6CD5;&#x7684;&#x7B7E;&#x540D;&#xFF1A;</p>
<pre class="language-"><code>std::pair<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>iterator,bool</span><span class="token punctuation">&gt;</span></span> insert( const value_type&amp; value );
</code></pre><p>&#x8FD9;&#x91CC;&#x6211;&#x4EEC;&#x4EC5;&#x5173;&#x5FC3;&#x5176;&#x8FD4;&#x56DE;&#x503C;&#xFF0C;&#x8FD9;&#x4E2A;&#x8FD4;&#x56DE;&#x503C;&#x662F;&#x4E00;&#x4E2A; <strong>std::pair</strong> &#x7C7B;&#x578B;&#xFF0C;&#x7531;&#x4E8E; map &#x4E2D;&#x7684;&#x5143;&#x7D20;&#x7684; key &#x4E0D;&#x5141;&#x8BB8;&#x91CD;&#x590D;&#xFF0C;&#x6240;&#x4EE5;&#x5982;&#x679C; insert &#x65B9;&#x6CD5;&#x8C03;&#x7528;&#x6210;&#x529F;&#xFF0C;T1 &#x662F;&#x88AB;&#x6210;&#x529F;&#x63D2;&#x5165;&#x5230; map &#x4E2D;&#x7684;&#x5143;&#x7D20;&#x7684;&#x8FED;&#x4EE3;&#x5668;&#xFF0C;T2 &#x7684;&#x7C7B;&#x578B;&#x4E3A; bool&#xFF0C;&#x6B64;&#x65F6;&#x5176;&#x503C;&#x4E3A; true&#xFF08;&#x8868;&#x793A;&#x63D2;&#x5165;&#x6210;&#x529F;&#xFF09;&#xFF1B;&#x5982;&#x679C; insert &#x7531;&#x4E8E; key &#x91CD;&#x590D;&#xFF0C;T1 &#x662F;&#x9020;&#x6210; insert &#x63D2;&#x5165;&#x5931;&#x8D25;&#x3001;&#x5DF2;&#x7ECF;&#x5B58;&#x5728;&#x4E8E; map &#x4E2D;&#x7684;&#x5143;&#x7D20;&#x7684;&#x8FED;&#x4EE3;&#x5668;&#xFF0C;&#x6B64;&#x65F6; T2 &#x7684;&#x503C;&#x4E3A; false&#xFF08;&#x8868;&#x793A;&#x63D2;&#x5165;&#x5931;&#x8D25;&#xFF09;&#x3002;</p>
<p>&#x5728; C++98/03 &#x6807;&#x51C6;&#x4E2D;&#x6211;&#x4EEC;&#x53EF;&#x4EE5;&#x4F7F;&#x7528; <strong>std::pair</strong> &#x7684; <strong>first</strong> &#x548C; <strong>second</strong> &#x5C5E;&#x6027;&#x6765;&#x5206;&#x522B;&#x5F15;&#x7528; T1 &#x548C; T2 &#x7684;&#x503C;&#x3002;&#x5982;&#x4E0B;&#x9762;&#x7684;&#x6211;&#x4EEC;&#x719F;&#x6089;&#x7684;&#x4EE3;&#x7801;&#x6240;&#x793A;&#xFF1A;</p>
<pre class="language-"><code>#include <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>iostream</span><span class="token punctuation">&gt;</span></span>
#include <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>string</span><span class="token punctuation">&gt;</span></span>
#include <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>map</span><span class="token punctuation">&gt;</span></span>

int main()
{
    std::map<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span><span class="token namespace">std:</span>:string,</span> <span class="token attr-name">int</span><span class="token punctuation">&gt;</span></span> cities;
    cities[&quot;beijing&quot;]   = 0;
    cities[&quot;shanghai&quot;]  = 1;
    cities[&quot;shenzhen&quot;]  = 2;
    cities[&quot;guangzhou&quot;] = 3;

    //for (const auto&amp; [key, value] : m)
    //{
    //    std::cout &lt;&lt; key &lt;&lt; &quot;: &quot; &lt;&lt; value &lt;&lt; std::endl;
    //}

    //&#x8FD9;&#x4E00;&#x884C;&#x5728; C++11 &#x4E4B;&#x524D;&#x5199;&#x6CD5;&#x5B9E;&#x5728;&#x592A;&#x9EBB;&#x70E6;&#x4E86;&#xFF0C;
    //std::pair&lt;std::map<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span><span class="token namespace">std:</span>:string,</span> <span class="token attr-name">int</span><span class="token punctuation">&gt;</span></span>::iterator, int&gt; insertResult = cities.insert(std::pair<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span><span class="token namespace">std:</span>:string,</span> <span class="token attr-name">int</span><span class="token punctuation">&gt;</span></span>(&quot;shanghai&quot;, 2));
    //C++ 11&#x4E2D;&#x6211;&#x4EEC;&#x5199;&#x6210;&#xFF1A;
    auto insertResult = cities.insert(std::pair<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span><span class="token namespace">std:</span>:string,</span> <span class="token attr-name">int</span><span class="token punctuation">&gt;</span></span>(&quot;shanghai&quot;, 2));

    std::cout &lt;&lt; &quot;Is insertion successful ? &quot; &lt;&lt; (insertResult.second ? &quot;true&quot; : &quot;false&quot;) 
              &lt;&lt; &quot;, element key: &quot; &lt;&lt; insertResult.first-&gt;first &lt;&lt; &quot;, value: &quot; &lt;&lt; insertResult.first-&gt;second &lt;&lt; std::endl;

    return 0;
}
</code></pre><p>&#x4EE3;&#x7801; <strong>19</strong> &#x884C;&#x5B9E;&#x5728;&#x592A;&#x5570;&#x55E6;&#x4E86;&#xFF0C;&#x6211;&#x4EEC;&#x4F7F;&#x7528; auto &#x5173;&#x952E;&#x5B57;&#x8BA9;&#x7F16;&#x8BD1;&#x5668;&#x81EA;&#x52A8;&#x63A8;&#x5BFC;&#x7C7B;&#x578B;&#x3002;</p>
<p><strong>std::pair</strong> &#x4E00;&#x822C;&#x53EA;&#x80FD;&#x8868;&#x793A;&#x4E24;&#x4E2A;&#x5143;&#x7D20;&#xFF0C;C++11 &#x6807;&#x51C6;&#x4E2D;&#x5F15;&#x5165;&#x4E86; <strong>std::tuple</strong> &#x7C7B;&#x578B;&#xFF0C;&#x6709;&#x4E86;&#x8FD9;&#x4E2A;&#x7C7B;&#x578B;&#xFF0C;&#x6211;&#x4EEC;&#x5C31;&#x53EF;&#x4EE5;&#x653E;&#x4EFB;&#x610F;&#x4E2A;&#x5143;&#x7D20;&#x4E86;&#xFF0C;&#x539F;&#x6765;&#x9700;&#x8981;&#x5B9A;&#x4E49;&#x6210;&#x7ED3;&#x6784;&#x4F53;&#x7684; POD &#x5BF9;&#x8C61;&#x6211;&#x4EEC;&#x53EF;&#x4EE5;&#x76F4;&#x63A5;&#x4F7F;&#x7528; <strong>std::tuple</strong> &#x8868;&#x793A;&#xFF0C;&#x4F8B;&#x5982;&#x4E0B;&#x9762;&#x8868;&#x793A;&#x7528;&#x6237;&#x4FE1;&#x606F;&#x7684;&#x7ED3;&#x6784;&#x4F53;&#xFF1A;</p>
<pre class="language-"><code>struct UserInfo
{
    std::string username;
    std::string password;
    int         gender;
    int         age;
    std::string address;
};

int main()
{
    UserInfo userInfo = { &quot;Tom&quot;, &quot;123456&quot;, 0, 25, &quot;Pudong Street&quot; };
    std::string username = userInfo.username;
    std::string password = userInfo.password;
    int gender = userInfo.gender;
    int age = userInfo.age;
    std::string address = userInfo.address;

    return 0;
}
</code></pre><p>&#x6211;&#x4EEC;&#x4E0D;&#x518D;&#x9700;&#x8981;&#x5B9A;&#x4E49; struct UserInfo &#x8FD9;&#x6837;&#x7684;&#x5BF9;&#x8C61;&#xFF0C;&#x53EF;&#x4EE5;&#x76F4;&#x63A5;&#x4F7F;&#x7528; <strong>std::tuple</strong> &#x8868;&#x793A;&#xFF1A;</p>
<pre class="language-"><code>int main()
{    
    std::tuple<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span><span class="token namespace">std:</span>:string,</span> <span class="token attr-name"><span class="token namespace">std:</span>:string,</span> <span class="token attr-name">int,</span> <span class="token attr-name">int,</span> <span class="token attr-name"><span class="token namespace">std:</span>:string</span><span class="token punctuation">&gt;</span></span> userInfo(&quot;Tom&quot;, &quot;123456&quot;, 0, 25, &quot;Pudong Street&quot;);

    std::string username = std::get&lt;0&gt;(userInfo);
    std::string password = std::get&lt;1&gt;(userInfo);
    int gender = std::get&lt;2&gt;(userInfo);
    int age = std::get&lt;3&gt;(userInfo);
    std::string address = std::get&lt;4&gt;(userInfo);

    return 0;
}
</code></pre><p>&#x4ECE; <strong>std::tuple</strong> &#x4E2D;&#x83B7;&#x53D6;&#x5BF9;&#x5E94;&#x4F4D;&#x7F6E;&#x7684;&#x5143;&#x7D20;&#xFF0C;&#x6211;&#x4EEC;&#x4F7F;&#x7528; <strong>std::get</strong> &#xFF0C;&#x5176;&#x4E2D; N &#x662F;&#x5143;&#x7D20;&#x7684;&#x5E8F;&#x53F7;&#xFF08;&#x4ECE; 0 &#x5F00;&#x59CB;&#xFF09;&#x3002;</p>
<p>&#x4E0E;&#x5B9A;&#x4E49;&#x7ED3;&#x6784;&#x4F53;&#x76F8;&#x6BD4;&#xFF0C;&#x901A;&#x8FC7; <strong>std::pair</strong> &#x7684; <strong>first</strong> &#x548C; <strong>second</strong> &#x8FD8;&#x662F; <strong>std::tuple</strong> &#x7684; <strong>std::get</strong> &#x65B9;&#x6CD5;&#x6765;&#x83B7;&#x53D6;&#x5143;&#x7D20;&#x5B50;&#x5C5E;&#x6027;&#xFF0C;&#x8FD9;&#x4E9B;&#x4EE3;&#x7801;&#x90FD;&#x662F;&#x975E;&#x5E38;&#x96BE;&#x4EE5;&#x7EF4;&#x62A4;&#x7684;&#xFF0C;&#x5176;&#x6839;&#x672C;&#x539F;&#x56E0;&#x662F; <strong>first</strong> &#x548C; <strong>second</strong> &#x8FD9;&#x6837;&#x7684;&#x547D;&#x540D;&#x4E0D;&#x80FD;&#x505A;&#x5230;&#x89C1;&#x540D;&#x77E5;&#x610F;&#x3002;</p>
<p>C++17 &#x5F15;&#x5165;&#x7684;<strong>&#x7ED3;&#x6784;&#x5316;&#x7ED1;&#x5B9A;</strong>&#xFF08;Structured Binding &#xFF09;&#x5C06;&#x6211;&#x4EEC;&#x4ECE;&#x8FD9;&#x7C7B;&#x4EE3;&#x7801;&#x4E2D;&#x89E3;&#x653E;&#x51FA;&#x6765;&#x3002;<strong>&#x7ED3;&#x6784;&#x5316;&#x7ED1;&#x5B9A;</strong>&#x4F7F;&#x7528;&#x8BED;&#x6CD5;&#x5982;&#x4E0B;&#xFF1A;</p>
<pre class="language-"><code>auto [a, b, c, ...] = expression;
auto [a, b, c, ...] { expression };
auto [a, b, c, ...] ( expression );
</code></pre><p>&#x53F3;&#x8FB9;&#x7684; <strong>expression</strong> &#x53EF;&#x4EE5;&#x662F;&#x4E00;&#x4E2A;&#x51FD;&#x6570;&#x8C03;&#x7528;&#x3001;&#x82B1;&#x62EC;&#x53F7;&#x8868;&#x8FBE;&#x5F0F;&#x6216;&#x8005;&#x652F;&#x6301;&#x7ED3;&#x6784;&#x5316;&#x7ED1;&#x5B9A;&#x7684;&#x67D0;&#x4E2A;&#x7C7B;&#x578B;&#x7684;&#x53D8;&#x91CF;&#x3002;&#x4F8B;&#x5982;&#xFF1A;</p>
<pre class="language-"><code>//&#x5F62;&#x5F0F;1
auto [iterator, inserted] = someMap.insert(...);
//&#x5F62;&#x5F0F;2
double myArray[3] = { 1.0, 2.0, 3.0 };
auto [a, b, c] = myArray;
//&#x5F62;&#x5F0F;3
struct Point
{
    double x;
    double y;
};
Point myPoint(10.0, 20.0);
auto [myX, myY] = myPoint;
</code></pre><p>&#x8FD9;&#x6837;&#xFF0C;&#x6211;&#x4EEC;&#x53EF;&#x4EE5;&#x7ED9;&#x7528;&#x4E8E;&#x7ED1;&#x5B9A;&#x5230;&#x76EE;&#x6807;&#x7684;&#x53D8;&#x91CF;&#x540D;&#xFF08;&#x8BED;&#x6CD5;&#x4E2D;&#x7684; <strong>a</strong>&#x3001;<strong>b</strong>&#x3001;<strong>c</strong>&#xFF09;&#x8D77;&#x4E00;&#x4E2A;&#x6709;&#x610F;&#x4E49;&#x7684;&#x540D;&#x5B57;&#x3002;</p>
<p>&#x9700;&#x8981;&#x6CE8;&#x610F;&#x7684;&#x662F;&#xFF0C;&#x7ED1;&#x5B9A;&#x540D;&#x79F0; <strong>a</strong>&#x3001;<strong>b</strong>&#x3001;<strong>c</strong> &#x662F;&#x7ED1;&#x5B9A;&#x76EE;&#x6807;&#x7684;&#x4E00;&#x4EFD;&#x62F7;&#x8D1D;&#xFF0C;&#x5F53;&#x7ED1;&#x5B9A;&#x7C7B;&#x578B;&#x4E0D;&#x662F;&#x57FA;&#x7840;&#x6570;&#x636E;&#x7C7B;&#x578B;&#x65F6;&#xFF0C;&#x5982;&#x679C;&#x4F60;&#x7684;&#x672C;&#x610F;&#x4E0D;&#x662F;&#x60F3;&#x8981;&#x5F97;&#x5230;&#x7ED1;&#x5B9A;&#x76EE;&#x6807;&#x7684;&#x526F;&#x672C;&#xFF0C;&#x4E3A;&#x4E86;&#x907F;&#x514D;&#x62F7;&#x8D1D;&#x5E26;&#x6765;&#x7684;&#x4E0D;&#x5FC5;&#x8981;&#x5F00;&#x9500;&#xFF0C;&#x5EFA;&#x8BAE;&#x4F7F;&#x7528;&#x5F15;&#x7528;&#xFF0C;&#x5982;&#x679C;&#x4E0D;&#x9700;&#x8981;&#x4FEE;&#x6539;&#x7ED1;&#x5B9A;&#x76EE;&#x6807;&#x5EFA;&#x8BAE;&#x4F7F;&#x7528; const &#x5F15;&#x7528;&#x3002;&#x793A;&#x4F8B;&#x5982;&#x4E0B;&#xFF1A;</p>
<pre class="language-"><code>double myArray[3] = { 1.0, 2.0, 3.0 };
auto&amp; [a, b, c] = myArray;
//&#x5F62;&#x5F0F;3
struct Point
{
    double x;
    double y;
};
Point myPoint(10.0, 20.0);
const auto&amp; [myX, myY] = myPoint;
</code></pre><p><strong>&#x7ED3;&#x6784;&#x5316;&#x7ED1;&#x5B9A;</strong>&#xFF08;Structured Binding &#xFF09;&#x662F; C++17 &#x5F15;&#x5165;&#x7684;&#x4E00;&#x4E2A;&#x975E;&#x5E38;&#x597D;&#x7528;&#x7684;&#x8BED;&#x6CD5;&#x7279;&#x6027;&#x3002;&#x6709;&#x4E86;&#x8FD9;&#x79CD;&#x8BED;&#x6CD5;&#xFF0C;&#x5728;&#x904D;&#x5386;&#x50CF; map &#x8FD9;&#x6837;&#x7684;&#x5BB9;&#x5668;&#x65F6;&#xFF0C;&#x6211;&#x4EEC;&#x53EF;&#x4EE5;&#x4F7F;&#x7528;&#x66F4;&#x7B80;&#x6D01;&#x548C;&#x6E05;&#x6670;&#x7684;&#x4EE3;&#x7801;&#x53BB;&#x904D;&#x5386;&#x8FD9;&#x4E9B;&#x5BB9;&#x5668;&#x4E86;&#xFF1A;</p>
<pre class="language-"><code>std::map<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span><span class="token namespace">std:</span>:string,</span> <span class="token attr-name">int</span><span class="token punctuation">&gt;</span></span> cities;
cities[&quot;beijing&quot;] = 0;
cities[&quot;shanghai&quot;] = 1;
cities[&quot;shenzhen&quot;] = 2;
cities[&quot;guangzhou&quot;] = 3;

for (const auto&amp; [cityName, cityNumber] : cities)
{
    std::cout &lt;&lt; cityName &lt;&lt; &quot;: &quot; &lt;&lt; cityNumber &lt;&lt; std::endl;
}
</code></pre><p>&#x4E0A;&#x8FF0;&#x4EE3;&#x7801;&#x4E2D; <strong>cityName</strong> &#x548C; <strong>cityNumber</strong> &#x53EF;&#x4EE5;&#x66F4;&#x597D;&#x5730;&#x53CD;&#x6620;&#x51FA;&#x8FD9;&#x4E2A; map &#x5BB9;&#x5668;&#x7684;&#x5143;&#x7D20;&#x5185;&#x5BB9;&#x3002;</p>
<p>&#x6211;&#x4EEC;&#x518D;&#x6765;&#x770B;&#x4E00;&#x4E2A;&#x4F8B;&#x5B50;&#xFF0C;&#x67D0; WebSocket &#x7F51;&#x7EDC;&#x5E93;&#xFF08;<a href="https://github.com/uNetworking/uWebSockets&#xFF09;&#x4E2D;&#x6709;&#x5982;&#x4E0B;&#x4EE3;&#x7801;&#xFF1A;" target="_blank">https://github.com/uNetworking/uWebSockets&#xFF09;&#x4E2D;&#x6709;&#x5982;&#x4E0B;&#x4EE3;&#x7801;&#xFF1A;</a></p>
<pre class="language-"><code>std::pair<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>int,</span> <span class="token attr-name">bool</span><span class="token punctuation">&gt;</span></span> uncork(const char *src = nullptr, int length = 0, bool optionally = false) {
        LoopData *loopData = getLoopData();

        if (loopData-&gt;corkedSocket == this) {
            loopData-&gt;corkedSocket = nullptr;

            if (loopData-&gt;corkOffset) {
                /* Corked data is already accounted for via its write call */
                auto [written, failed] = write(loopData-&gt;corkBuffer, loopData-&gt;corkOffset, false, length);
                loopData-&gt;corkOffset = 0;

                if (failed) {
                    /* We do not need to care for buffering here, write does that */
                    return {0, true};
                }
            }

            /* We should only return with new writes, not things written to cork already */
            return write(src, length, optionally, 0);
        } else {
            /* We are not even corked! */
            return {0, false};
        }
    }
</code></pre><p>&#x4EE3;&#x7801;&#x7684;&#x7B2C; <strong>9</strong> &#x884C; <strong>write</strong> &#x51FD;&#x6570;&#x8FD4;&#x56DE;&#x7C7B;&#x578B;&#x662F; <strong>std::pair</strong>&#xFF0C;&#x88AB;&#x7ED1;&#x5B9A;&#x5230; <strong>[written, failed]</strong> &#x8FD9;&#x4E24;&#x4E2A;&#x53D8;&#x91CF;&#x4E2D;&#x53BB;&#x3002;&#x524D;&#x8005;&#x5728;&#x5199;&#x5165;&#x6210;&#x529F;&#x7684;&#x60C5;&#x51B5;&#x4E0B;&#x8868;&#x793A;&#x5B9E;&#x9645;&#x5199;&#x5165;&#x7684;&#x5B57;&#x8282;&#x6570;&#xFF0C;&#x540E;&#x8005;&#x8868;&#x793A;&#x662F;&#x5426;&#x5199;&#x5165;&#x6210;&#x529F;&#x3002;</p>
<pre class="language-"><code>std::pair<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>int,</span> <span class="token attr-name">bool</span><span class="token punctuation">&gt;</span></span> write(const char *src, int length, bool optionally = false, int nextLength = 0) {
    //&#x5177;&#x4F53;&#x5B9E;&#x73B0;&#x7701;&#x7565;...
}
</code></pre><p><strong>&#x7ED3;&#x6784;&#x5316;&#x7ED1;&#x5B9A;&#x7684;&#x9650;&#x5236;</strong></p>
<p>&#x7ED3;&#x6784;&#x5316;&#x7ED1;&#x5B9A;&#x4E0D;&#x80FD;&#x4F7F;&#x7528; <strong>constexpr</strong> &#x4FEE;&#x9970;&#x6216;&#x88AB;&#x7533;&#x660E;&#x4E3A; static&#xFF0C;&#x4F8B;&#x5982;&#xFF1A;</p>
<pre class="language-"><code>//&#x6B63;&#x5E38;&#x7F16;&#x8BD1;
auto [first, second] = std::pair<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>int,</span> <span class="token attr-name">int</span><span class="token punctuation">&gt;</span></span>(1, 2);
//&#x65E0;&#x6CD5;&#x7F16;&#x8BD1;&#x901A;&#x8FC7;
//constexpr auto [first, second] = std::pair<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>int,</span> <span class="token attr-name">int</span><span class="token punctuation">&gt;</span></span>(1, 2);
//&#x65E0;&#x6CD5;&#x7F16;&#x8BD1;&#x901A;&#x8FC7;
//static auto [first, second] = std::pair<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>int,</span> <span class="token attr-name">int</span><span class="token punctuation">&gt;</span></span>(1, 2);
</code></pre><p>&#x6CE8;&#x610F;&#xFF1A;&#x6709;&#x4E9B;&#x7F16;&#x8BD1;&#x5668;&#x4E5F;&#x4E0D;&#x652F;&#x6301;&#x5728; lamda &#x8868;&#x8FBE;&#x5F0F;&#x6355;&#x83B7;&#x5217;&#x8868;&#x4E2D;&#x4F7F;&#x7528;&#x7ED3;&#x6784;&#x5316;&#x7ED1;&#x5B9A;&#x8BED;&#x6CD5;&#x3002;</p>
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